To check the status of S3 suspend completion, use the PM core pm_suspend_global_flags bit(1) to detect S3 abort events. Therefore, clean up the AMDGPU driver's private flag suspend_complete. Signed-off-by: Prike Liang <Prike.Liang@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 -- drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 2 -- drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 4 ++-- drivers/gpu/drm/amd/amdgpu/soc15.c | 7 ++----- drivers/gpu/drm/amd/amdgpu/soc21.c | 5 +++-- 5 files changed, 7 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 48c9b9b06905..9b35763ae0a7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1111,8 +1111,6 @@ struct amdgpu_device { bool in_s3; bool in_s4; bool in_s0ix; - /* indicate amdgpu suspension status */ - bool suspend_complete; enum pp_mp1_state mp1_state; struct amdgpu_doorbell_index doorbell_index; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 680e44fdee6e..78972151b970 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -2501,7 +2501,6 @@ static int amdgpu_pmops_suspend(struct device *dev) struct drm_device *drm_dev = dev_get_drvdata(dev); struct amdgpu_device *adev = drm_to_adev(drm_dev); - adev->suspend_complete = false; if (amdgpu_acpi_is_s0ix_active(adev)) adev->in_s0ix = true; else if (amdgpu_acpi_is_s3_active(adev)) @@ -2516,7 +2515,6 @@ static int amdgpu_pmops_suspend_noirq(struct device *dev) struct drm_device *drm_dev = dev_get_drvdata(dev); struct amdgpu_device *adev = drm_to_adev(drm_dev); - adev->suspend_complete = true; if (amdgpu_acpi_should_gpu_reset(adev)) return amdgpu_asic_reset(adev); diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index b4c4b9916289..6ffcee3008ba 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -3276,8 +3276,8 @@ static int gfx_v9_0_cp_gfx_start(struct amdgpu_device *adev) * confirmed that the APU gfx10/gfx11 needn't such update. */ if (adev->flags & AMD_IS_APU && - adev->in_s3 && !adev->suspend_complete) { - DRM_INFO(" Will skip the CSB packet resubmit\n"); + adev->in_s3 && !pm_resume_via_firmware()) { + DRM_INFO("Will skip the CSB packet resubmit\n"); return 0; } r = amdgpu_ring_alloc(ring, gfx_v9_0_get_csb_size(adev) + 4 + 3); diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c index 12ff6cf568dc..d9d11131a744 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -584,13 +584,10 @@ static bool soc15_need_reset_on_resume(struct amdgpu_device *adev) * performing pm core test. */ if (adev->flags & AMD_IS_APU && adev->in_s3 && - !pm_resume_via_firmware()) { - adev->suspend_complete = false; + !pm_resume_via_firmware()) return true; - } else { - adev->suspend_complete = true; + else return false; - } } static int soc15_asic_reset(struct amdgpu_device *adev) diff --git a/drivers/gpu/drm/amd/amdgpu/soc21.c b/drivers/gpu/drm/amd/amdgpu/soc21.c index c4b950e75133..6a54d9c14157 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc21.c +++ b/drivers/gpu/drm/amd/amdgpu/soc21.c @@ -902,9 +902,10 @@ static bool soc21_need_reset_on_resume(struct amdgpu_device *adev) /* Will reset for the following suspend abort cases. * 1) Only reset dGPU side. * 2) S3 suspend got aborted and TOS is active. + * As for dGPU suspend abort cases the SOL value + * will be kept as zero at this resume point. */ - if (!(adev->flags & AMD_IS_APU) && adev->in_s3 && - !adev->suspend_complete) { + if (!(adev->flags & AMD_IS_APU) && adev->in_s3) { sol_reg1 = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_81); msleep(100); sol_reg2 = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_81); -- 2.34.1